Nitrogen content of a nitrogenous fertiliser is 35%. It could be___________________?
Correct answer: B. Ammonium nitrate
- A. Urea
- B. Ammonium nitrate
- C. Calcium ammonium nitrate (CAN)
- D. Ammonium sulphate
Explanation
Ammonium nitrate, NH₄NO₃, contains approximately 35% nitrogen by mass. Urea contains about 46%, ammonium sulphate about 21%, and CAN is usually below 35%.
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